Answers 2026/2027.
What happened in 1967 in the World Health Organization? - Answer In 1967, the World Health
Organization decided to mount a global vaccination campaign to wipe out smallpox forever. But
the disease was so widespread, experts predicted total eradication was doomed to failure.
Smallpox had certain characteristics that gave Dr. Henderson realistic hope that they
could break the chain of transmission, including _________________. - Answer person to
person
Vaccines were winning the war against__________ in the ___________. But in_____________
countries most diseases still flourished. - Answer Viruses; West; poorer;
Even smallpox, the _____________ illness to have a _____________, continued to claim more
lives than any other disease in history. - Answer first; vaccine
Why was achieving the vaccination goal (i.e. in terms of number of people) in Nigeria
impossible? - Answer There were far too many people but not enough vaccines.
What strategy did the smallpox warriors use in Nigeria instead? - Answer ring vaccination
What percent of the population was vaccinated with this strategy in Nigeria? - Answer 15%
Who helped identify villages with smallpox? - Answer dived up geographic areas and asked
missionaries and send runners to every village to find out if they had smallpox if they found a
case vaccinator would quickly place a cholera to the ring.
What country had the largest concentration of cases & became the next challenge for the
smallpox campaign? - Answer India
Who helped them find smallpox cases? - Answer thousands of indian workers. House for house
workers.
In 1973, they mounted a house by house campaign that was so well coordinated they visited
___________ (# and word) homes in just _______ (#) days. - Answer a hundred million; 6
, What they discovered alarmed them... in one state where we were getting _________ (#)
smallpox cases a week, the searchers suddenly found 11,000 cases in
just one week. - Answer 500
In the 1970s, what percent of the population was on a train at any one time? - Answer 1%
Where did they set up surveillance posts? - Answer at trains stations, markets and gathering
places
How did the village chief get the people to come to the village? - Answer dummer pounding on
a talking drum
What country had the last naturally occurring case of smallpox? - Answer samila in east africa
What most frequently causes death in severe polio cases? - Answer highly continuous virus
What 4 countries still have endemic transmission of polio? - Answer Afghanistan, Pakistan,
India and Nigeria
Prevalence of the disease around the globe is down more than ________(#)% since the vaccine
was
created. - Answer 99.8%
What triggers the laboratory surveillance system for polio? - Answer The system begins with
the notification of a
child with acute flaccid paralysis.
The genetic sequence within each virus is recovered. What is used to determine genetic
relationships among polio viruses? (2 words) - Answer Genetic Trees
What path can be reconstructed using polio maps? - Answer Chain of Genetic Relationships
Polio maps can also be used to determine where the virus originates and how it moves in the
population during the polio season. What are the origins called? - Answer reservoir
communities